A researcher would like to map the location of galE and trpA genes in a new species of bacterium that appears to be closely related to E. coli. He decides to use cotransduction, and generatesnappropriate donor and recipient strains. He is disappointed when cotransduction is not seen in his experiement. What is the most reasonable explanation for this situation?

TLS Online TPP Program

#Question id: 2408

#Unit 2. Cellular Organization

When chiasmata can first be seen in cells using a microscope, which of the following processes has most likely occurred?

TLS Online TPP Program

#Question id: 2409

#Unit 2. Cellular Organization

How do cells at the completion of meiosis compare with cells that are in prophase of meiosis I? 

TLS Online TPP Program

#Question id: 2410

#Unit 2. Cellular Organization

The plasma membrane of eukaryotic cells is supported by: 

TLS Online TPP Program

#Question id: 2411

#Unit 2. Cellular Organization

Three major groups of filament systems comprising the cytoskeleton are all composed of polymers of assembled subunits, which vary in thickness when assembled.  Which is the correct order, from smallest to largest, of the filament systems?

TLS Online TPP Program

#Question id: 2412

#Unit 2. Cellular Organization

Actin-binding proteins that generate actin filament bundles:

TLS Online TPP Program

#Question id: 2413

#Unit 2. Cellular Organization

 Decoration of actin filaments with myosin S1 is commonly used to: